Some Concepts about Substance, Chemical Compound and an Element
B. T. Utelbayev, E. N. Suleimenov, A. Utelbayeva & N. Zhanabai · Chemical Science International Journal · 2013
Chemistry is the science that deals with the composition and properties of matter. Properties of matter are generally grouped into two broad categories; these are physical and chemical properties. Physical property is the one that a sample of matter displays without changing it...
Open access
Research Article
10.9734/ACSJ/2014/6732